1 /************************************************************************** 2 3 Copyright 2002-2008 VMware, Inc. 4 5 All Rights Reserved. 6 7 Permission is hereby granted, free of charge, to any person obtaining a 8 copy of this software and associated documentation files (the "Software"), 9 to deal in the Software without restriction, including without limitation 10 on the rights to use, copy, modify, merge, publish, distribute, sub 11 license, and/or sell copies of the Software, and to permit persons to whom 12 the Software is furnished to do so, subject to the following conditions: 13 14 The above copyright notice and this permission notice (including the next 15 paragraph) shall be included in all copies or substantial portions of the 16 Software. 17 18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 VMWARE AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 USE OR OTHER DEALINGS IN THE SOFTWARE. 25 26 **************************************************************************/ 27 28 /* 29 * Authors: 30 * Keith Whitwell <keithw (at) vmware.com> 31 */ 32 33 #include "main/glheader.h" 34 #include "main/bufferobj.h" 35 #include "main/context.h" 36 #include "main/macros.h" 37 #include "main/vtxfmt.h" 38 #include "main/dlist.h" 39 #include "main/eval.h" 40 #include "main/state.h" 41 #include "main/light.h" 42 #include "main/api_arrayelt.h" 43 #include "main/api_validate.h" 44 #include "main/dispatch.h" 45 #include "util/bitscan.h" 46 47 #include "vbo_context.h" 48 #include "vbo_noop.h" 49 50 51 /** ID/name for immediate-mode VBO */ 52 #define IMM_BUFFER_NAME 0xaabbccdd 53 54 55 static void 56 vbo_reset_all_attr(struct vbo_exec_context *exec); 57 58 59 /** 60 * Close off the last primitive, execute the buffer, restart the 61 * primitive. This is called when we fill a vertex buffer before 62 * hitting glEnd. 63 */ 64 static void 65 vbo_exec_wrap_buffers(struct vbo_exec_context *exec) 66 { 67 if (exec->vtx.prim_count == 0) { 68 exec->vtx.copied.nr = 0; 69 exec->vtx.vert_count = 0; 70 exec->vtx.buffer_ptr = exec->vtx.buffer_map; 71 } 72 else { 73 struct _mesa_prim *last_prim = &exec->vtx.prim[exec->vtx.prim_count - 1]; 74 const GLuint last_begin = last_prim->begin; 75 GLuint last_count; 76 77 if (_mesa_inside_begin_end(exec->ctx)) { 78 last_prim->count = exec->vtx.vert_count - last_prim->start; 79 } 80 81 last_count = last_prim->count; 82 83 /* Special handling for wrapping GL_LINE_LOOP */ 84 if (last_prim->mode == GL_LINE_LOOP && 85 last_count > 0 && 86 !last_prim->end) { 87 /* draw this section of the incomplete line loop as a line strip */ 88 last_prim->mode = GL_LINE_STRIP; 89 if (!last_prim->begin) { 90 /* This is not the first section of the line loop, so don't 91 * draw the 0th vertex. We're saving it until we draw the 92 * very last section of the loop. 93 */ 94 last_prim->start++; 95 last_prim->count--; 96 } 97 } 98 99 /* Execute the buffer and save copied vertices. 100 */ 101 if (exec->vtx.vert_count) 102 vbo_exec_vtx_flush( exec, GL_FALSE ); 103 else { 104 exec->vtx.prim_count = 0; 105 exec->vtx.copied.nr = 0; 106 } 107 108 /* Emit a glBegin to start the new list. 109 */ 110 assert(exec->vtx.prim_count == 0); 111 112 if (_mesa_inside_begin_end(exec->ctx)) { 113 exec->vtx.prim[0].mode = exec->ctx->Driver.CurrentExecPrimitive; 114 exec->vtx.prim[0].begin = 0; 115 exec->vtx.prim[0].end = 0; 116 exec->vtx.prim[0].start = 0; 117 exec->vtx.prim[0].count = 0; 118 exec->vtx.prim_count++; 119 120 if (exec->vtx.copied.nr == last_count) 121 exec->vtx.prim[0].begin = last_begin; 122 } 123 } 124 } 125 126 127 /** 128 * Deal with buffer wrapping where provoked by the vertex buffer 129 * filling up, as opposed to upgrade_vertex(). 130 */ 131 static void 132 vbo_exec_vtx_wrap(struct vbo_exec_context *exec) 133 { 134 unsigned numComponents; 135 136 /* Run pipeline on current vertices, copy wrapped vertices 137 * to exec->vtx.copied. 138 */ 139 vbo_exec_wrap_buffers( exec ); 140 141 if (!exec->vtx.buffer_ptr) { 142 /* probably ran out of memory earlier when allocating the VBO */ 143 return; 144 } 145 146 /* Copy stored stored vertices to start of new list. 147 */ 148 assert(exec->vtx.max_vert - exec->vtx.vert_count > exec->vtx.copied.nr); 149 150 numComponents = exec->vtx.copied.nr * exec->vtx.vertex_size; 151 memcpy(exec->vtx.buffer_ptr, 152 exec->vtx.copied.buffer, 153 numComponents * sizeof(fi_type)); 154 exec->vtx.buffer_ptr += numComponents; 155 exec->vtx.vert_count += exec->vtx.copied.nr; 156 157 exec->vtx.copied.nr = 0; 158 } 159 160 161 /** 162 * Copy the active vertex's values to the ctx->Current fields. 163 */ 164 static void 165 vbo_exec_copy_to_current(struct vbo_exec_context *exec) 166 { 167 struct gl_context *ctx = exec->ctx; 168 struct vbo_context *vbo = vbo_context(ctx); 169 GLbitfield64 enabled = exec->vtx.enabled & (~BITFIELD64_BIT(VBO_ATTRIB_POS)); 170 171 while (enabled) { 172 const int i = u_bit_scan64(&enabled); 173 174 /* Note: the exec->vtx.current[i] pointers point into the 175 * ctx->Current.Attrib and ctx->Light.Material.Attrib arrays. 176 */ 177 GLfloat *current = (GLfloat *)vbo->currval[i].Ptr; 178 fi_type tmp[8]; /* space for doubles */ 179 int dmul = exec->vtx.attrtype[i] == GL_DOUBLE ? 2 : 1; 180 181 assert(exec->vtx.attrsz[i]); 182 183 if (exec->vtx.attrtype[i] == GL_DOUBLE) { 184 memset(tmp, 0, sizeof(tmp)); 185 memcpy(tmp, exec->vtx.attrptr[i], exec->vtx.attrsz[i] * sizeof(GLfloat)); 186 } else { 187 COPY_CLEAN_4V_TYPE_AS_UNION(tmp, 188 exec->vtx.attrsz[i], 189 exec->vtx.attrptr[i], 190 exec->vtx.attrtype[i]); 191 } 192 193 if (exec->vtx.attrtype[i] != vbo->currval[i].Type || 194 memcmp(current, tmp, 4 * sizeof(GLfloat) * dmul) != 0) { 195 memcpy(current, tmp, 4 * sizeof(GLfloat) * dmul); 196 197 /* Given that we explicitly state size here, there is no need 198 * for the COPY_CLEAN above, could just copy 16 bytes and be 199 * done. The only problem is when Mesa accesses ctx->Current 200 * directly. 201 */ 202 /* Size here is in components - not bytes */ 203 vbo->currval[i].Size = exec->vtx.attrsz[i] / dmul; 204 vbo->currval[i]._ElementSize = 205 vbo->currval[i].Size * sizeof(GLfloat) * dmul; 206 vbo->currval[i].Type = exec->vtx.attrtype[i]; 207 vbo->currval[i].Integer = 208 vbo_attrtype_to_integer_flag(exec->vtx.attrtype[i]); 209 vbo->currval[i].Doubles = 210 vbo_attrtype_to_double_flag(exec->vtx.attrtype[i]); 211 212 /* This triggers rather too much recalculation of Mesa state 213 * that doesn't get used (eg light positions). 214 */ 215 if (i >= VBO_ATTRIB_MAT_FRONT_AMBIENT && 216 i <= VBO_ATTRIB_MAT_BACK_INDEXES) 217 ctx->NewState |= _NEW_LIGHT; 218 219 ctx->NewState |= _NEW_CURRENT_ATTRIB; 220 } 221 } 222 223 /* Colormaterial -- this kindof sucks. 224 */ 225 if (ctx->Light.ColorMaterialEnabled && 226 exec->vtx.attrsz[VBO_ATTRIB_COLOR0]) { 227 _mesa_update_color_material(ctx, 228 ctx->Current.Attrib[VBO_ATTRIB_COLOR0]); 229 } 230 } 231 232 233 /** 234 * Copy current vertex attribute values into the current vertex. 235 */ 236 static void 237 vbo_exec_copy_from_current(struct vbo_exec_context *exec) 238 { 239 struct gl_context *ctx = exec->ctx; 240 struct vbo_context *vbo = vbo_context(ctx); 241 GLint i; 242 243 for (i = VBO_ATTRIB_POS + 1; i < VBO_ATTRIB_MAX; i++) { 244 if (exec->vtx.attrtype[i] == GL_DOUBLE) { 245 memcpy(exec->vtx.attrptr[i], vbo->currval[i].Ptr, 246 exec->vtx.attrsz[i] * sizeof(GLfloat)); 247 } else { 248 const fi_type *current = (fi_type *) vbo->currval[i].Ptr; 249 switch (exec->vtx.attrsz[i]) { 250 case 4: exec->vtx.attrptr[i][3] = current[3]; 251 case 3: exec->vtx.attrptr[i][2] = current[2]; 252 case 2: exec->vtx.attrptr[i][1] = current[1]; 253 case 1: exec->vtx.attrptr[i][0] = current[0]; 254 break; 255 } 256 } 257 } 258 } 259 260 261 /** 262 * Flush existing data, set new attrib size, replay copied vertices. 263 * This is called when we transition from a small vertex attribute size 264 * to a larger one. Ex: glTexCoord2f -> glTexCoord4f. 265 * We need to go back over the previous 2-component texcoords and insert 266 * zero and one values. 267 */ 268 static void 269 vbo_exec_wrap_upgrade_vertex(struct vbo_exec_context *exec, 270 GLuint attr, GLuint newSize ) 271 { 272 struct gl_context *ctx = exec->ctx; 273 struct vbo_context *vbo = vbo_context(ctx); 274 const GLint lastcount = exec->vtx.vert_count; 275 fi_type *old_attrptr[VBO_ATTRIB_MAX]; 276 const GLuint old_vtx_size = exec->vtx.vertex_size; /* floats per vertex */ 277 const GLuint oldSize = exec->vtx.attrsz[attr]; 278 GLuint i; 279 280 /* Run pipeline on current vertices, copy wrapped vertices 281 * to exec->vtx.copied. 282 */ 283 vbo_exec_wrap_buffers( exec ); 284 285 if (unlikely(exec->vtx.copied.nr)) { 286 /* We're in the middle of a primitive, keep the old vertex 287 * format around to be able to translate the copied vertices to 288 * the new format. 289 */ 290 memcpy(old_attrptr, exec->vtx.attrptr, sizeof(old_attrptr)); 291 } 292 293 if (unlikely(oldSize)) { 294 /* Do a COPY_TO_CURRENT to ensure back-copying works for the 295 * case when the attribute already exists in the vertex and is 296 * having its size increased. 297 */ 298 vbo_exec_copy_to_current( exec ); 299 } 300 301 /* Heuristic: Attempt to isolate attributes received outside 302 * begin/end so that they don't bloat the vertices. 303 */ 304 if (!_mesa_inside_begin_end(ctx) && 305 !oldSize && lastcount > 8 && exec->vtx.vertex_size) { 306 vbo_exec_copy_to_current( exec ); 307 vbo_reset_all_attr(exec); 308 } 309 310 /* Fix up sizes: 311 */ 312 exec->vtx.attrsz[attr] = newSize; 313 exec->vtx.vertex_size += newSize - oldSize; 314 exec->vtx.max_vert = vbo_compute_max_verts(exec); 315 exec->vtx.vert_count = 0; 316 exec->vtx.buffer_ptr = exec->vtx.buffer_map; 317 exec->vtx.enabled |= BITFIELD64_BIT(attr); 318 319 if (unlikely(oldSize)) { 320 /* Size changed, recalculate all the attrptr[] values 321 */ 322 fi_type *tmp = exec->vtx.vertex; 323 324 for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) { 325 if (exec->vtx.attrsz[i]) { 326 exec->vtx.attrptr[i] = tmp; 327 tmp += exec->vtx.attrsz[i]; 328 } 329 else 330 exec->vtx.attrptr[i] = NULL; /* will not be dereferenced */ 331 } 332 333 /* Copy from current to repopulate the vertex with correct 334 * values. 335 */ 336 vbo_exec_copy_from_current( exec ); 337 } 338 else { 339 /* Just have to append the new attribute at the end */ 340 exec->vtx.attrptr[attr] = exec->vtx.vertex + 341 exec->vtx.vertex_size - newSize; 342 } 343 344 /* Replay stored vertices to translate them 345 * to new format here. 346 * 347 * -- No need to replay - just copy piecewise 348 */ 349 if (unlikely(exec->vtx.copied.nr)) { 350 fi_type *data = exec->vtx.copied.buffer; 351 fi_type *dest = exec->vtx.buffer_ptr; 352 353 assert(exec->vtx.buffer_ptr == exec->vtx.buffer_map); 354 355 for (i = 0 ; i < exec->vtx.copied.nr ; i++) { 356 GLbitfield64 enabled = exec->vtx.enabled; 357 while (enabled) { 358 const int j = u_bit_scan64(&enabled); 359 GLuint sz = exec->vtx.attrsz[j]; 360 GLint old_offset = old_attrptr[j] - exec->vtx.vertex; 361 GLint new_offset = exec->vtx.attrptr[j] - exec->vtx.vertex; 362 363 assert(sz); 364 365 if (j == attr) { 366 if (oldSize) { 367 fi_type tmp[4]; 368 COPY_CLEAN_4V_TYPE_AS_UNION(tmp, oldSize, 369 data + old_offset, 370 exec->vtx.attrtype[j]); 371 COPY_SZ_4V(dest + new_offset, newSize, tmp); 372 } else { 373 fi_type *current = (fi_type *)vbo->currval[j].Ptr; 374 COPY_SZ_4V(dest + new_offset, sz, current); 375 } 376 } 377 else { 378 COPY_SZ_4V(dest + new_offset, sz, data + old_offset); 379 } 380 } 381 382 data += old_vtx_size; 383 dest += exec->vtx.vertex_size; 384 } 385 386 exec->vtx.buffer_ptr = dest; 387 exec->vtx.vert_count += exec->vtx.copied.nr; 388 exec->vtx.copied.nr = 0; 389 } 390 } 391 392 393 /** 394 * This is when a vertex attribute transitions to a different size. 395 * For example, we saw a bunch of glTexCoord2f() calls and now we got a 396 * glTexCoord4f() call. We promote the array from size=2 to size=4. 397 * \param newSize size of new vertex (number of 32-bit words). 398 */ 399 static void 400 vbo_exec_fixup_vertex(struct gl_context *ctx, GLuint attr, 401 GLuint newSize, GLenum newType) 402 { 403 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; 404 405 if (newSize > exec->vtx.attrsz[attr] || 406 newType != exec->vtx.attrtype[attr]) { 407 /* New size is larger. Need to flush existing vertices and get 408 * an enlarged vertex format. 409 */ 410 vbo_exec_wrap_upgrade_vertex( exec, attr, newSize ); 411 } 412 else if (newSize < exec->vtx.active_sz[attr]) { 413 GLuint i; 414 const fi_type *id = 415 vbo_get_default_vals_as_union(exec->vtx.attrtype[attr]); 416 417 /* New size is smaller - just need to fill in some 418 * zeros. Don't need to flush or wrap. 419 */ 420 for (i = newSize; i <= exec->vtx.attrsz[attr]; i++) 421 exec->vtx.attrptr[attr][i-1] = id[i-1]; 422 } 423 424 exec->vtx.active_sz[attr] = newSize; 425 exec->vtx.attrtype[attr] = newType; 426 427 /* Does setting NeedFlush belong here? Necessitates resetting 428 * vtxfmt on each flush (otherwise flags won't get reset 429 * afterwards). 430 */ 431 if (attr == 0) 432 ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES; 433 } 434 435 436 /** 437 * Called upon first glVertex, glColor, glTexCoord, etc. 438 */ 439 static void 440 vbo_exec_begin_vertices(struct gl_context *ctx) 441 { 442 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; 443 444 vbo_exec_vtx_map( exec ); 445 446 assert((ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) == 0); 447 assert(exec->begin_vertices_flags); 448 449 ctx->Driver.NeedFlush |= exec->begin_vertices_flags; 450 } 451 452 453 /** 454 * This macro is used to implement all the glVertex, glColor, glTexCoord, 455 * glVertexAttrib, etc functions. 456 * \param A attribute index 457 * \param N attribute size (1..4) 458 * \param T type (GL_FLOAT, GL_DOUBLE, GL_INT, GL_UNSIGNED_INT) 459 * \param C cast type (fi_type or double) 460 * \param V0, V1, v2, V3 attribute value 461 */ 462 #define ATTR_UNION( A, N, T, C, V0, V1, V2, V3 ) \ 463 do { \ 464 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; \ 465 int sz = (sizeof(C) / sizeof(GLfloat)); \ 466 \ 467 assert(sz == 1 || sz == 2); \ 468 \ 469 /* check if attribute size or type is changing */ \ 470 if (unlikely(exec->vtx.active_sz[A] != N * sz) || \ 471 unlikely(exec->vtx.attrtype[A] != T)) { \ 472 vbo_exec_fixup_vertex(ctx, A, N * sz, T); \ 473 } \ 474 \ 475 /* store vertex attribute in vertex buffer */ \ 476 { \ 477 C *dest = (C *)exec->vtx.attrptr[A]; \ 478 if (N>0) dest[0] = V0; \ 479 if (N>1) dest[1] = V1; \ 480 if (N>2) dest[2] = V2; \ 481 if (N>3) dest[3] = V3; \ 482 assert(exec->vtx.attrtype[A] == T); \ 483 } \ 484 \ 485 if ((A) == 0) { \ 486 /* This is a glVertex call */ \ 487 GLuint i; \ 488 \ 489 if (unlikely((ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) == 0)) { \ 490 vbo_exec_begin_vertices(ctx); \ 491 } \ 492 \ 493 if (unlikely(!exec->vtx.buffer_ptr)) { \ 494 vbo_exec_vtx_map(exec); \ 495 } \ 496 assert(exec->vtx.buffer_ptr); \ 497 \ 498 /* copy 32-bit words */ \ 499 for (i = 0; i < exec->vtx.vertex_size; i++) \ 500 exec->vtx.buffer_ptr[i] = exec->vtx.vertex[i]; \ 501 \ 502 exec->vtx.buffer_ptr += exec->vtx.vertex_size; \ 503 \ 504 /* Set FLUSH_STORED_VERTICES to indicate that there's now */ \ 505 /* something to draw (not just updating a color or texcoord).*/ \ 506 ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES; \ 507 \ 508 if (++exec->vtx.vert_count >= exec->vtx.max_vert) \ 509 vbo_exec_vtx_wrap( exec ); \ 510 } else { \ 511 /* we now have accumulated per-vertex attributes */ \ 512 ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT; \ 513 } \ 514 } while (0) 515 516 517 #undef ERROR 518 #define ERROR(err) _mesa_error( ctx, err, __func__ ) 519 #define TAG(x) vbo_##x 520 521 #include "vbo_attrib_tmp.h" 522 523 524 525 /** 526 * Execute a glMaterial call. Note that if GL_COLOR_MATERIAL is enabled, 527 * this may be a (partial) no-op. 528 */ 529 static void GLAPIENTRY 530 vbo_Materialfv(GLenum face, GLenum pname, const GLfloat *params) 531 { 532 GLbitfield updateMats; 533 GET_CURRENT_CONTEXT(ctx); 534 535 /* This function should be a no-op when it tries to update material 536 * attributes which are currently tracking glColor via glColorMaterial. 537 * The updateMats var will be a mask of the MAT_BIT_FRONT/BACK_x bits 538 * indicating which material attributes can actually be updated below. 539 */ 540 if (ctx->Light.ColorMaterialEnabled) { 541 updateMats = ~ctx->Light._ColorMaterialBitmask; 542 } 543 else { 544 /* GL_COLOR_MATERIAL is disabled so don't skip any material updates */ 545 updateMats = ALL_MATERIAL_BITS; 546 } 547 548 if (ctx->API == API_OPENGL_COMPAT && face == GL_FRONT) { 549 updateMats &= FRONT_MATERIAL_BITS; 550 } 551 else if (ctx->API == API_OPENGL_COMPAT && face == GL_BACK) { 552 updateMats &= BACK_MATERIAL_BITS; 553 } 554 else if (face != GL_FRONT_AND_BACK) { 555 _mesa_error(ctx, GL_INVALID_ENUM, "glMaterial(invalid face)"); 556 return; 557 } 558 559 switch (pname) { 560 case GL_EMISSION: 561 if (updateMats & MAT_BIT_FRONT_EMISSION) 562 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_EMISSION, 4, params); 563 if (updateMats & MAT_BIT_BACK_EMISSION) 564 MAT_ATTR(VBO_ATTRIB_MAT_BACK_EMISSION, 4, params); 565 break; 566 case GL_AMBIENT: 567 if (updateMats & MAT_BIT_FRONT_AMBIENT) 568 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT, 4, params); 569 if (updateMats & MAT_BIT_BACK_AMBIENT) 570 MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT, 4, params); 571 break; 572 case GL_DIFFUSE: 573 if (updateMats & MAT_BIT_FRONT_DIFFUSE) 574 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE, 4, params); 575 if (updateMats & MAT_BIT_BACK_DIFFUSE) 576 MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE, 4, params); 577 break; 578 case GL_SPECULAR: 579 if (updateMats & MAT_BIT_FRONT_SPECULAR) 580 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_SPECULAR, 4, params); 581 if (updateMats & MAT_BIT_BACK_SPECULAR) 582 MAT_ATTR(VBO_ATTRIB_MAT_BACK_SPECULAR, 4, params); 583 break; 584 case GL_SHININESS: 585 if (*params < 0 || *params > ctx->Const.MaxShininess) { 586 _mesa_error(ctx, GL_INVALID_VALUE, 587 "glMaterial(invalid shininess: %f out range [0, %f])", 588 *params, ctx->Const.MaxShininess); 589 return; 590 } 591 if (updateMats & MAT_BIT_FRONT_SHININESS) 592 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_SHININESS, 1, params); 593 if (updateMats & MAT_BIT_BACK_SHININESS) 594 MAT_ATTR(VBO_ATTRIB_MAT_BACK_SHININESS, 1, params); 595 break; 596 case GL_COLOR_INDEXES: 597 if (ctx->API != API_OPENGL_COMPAT) { 598 _mesa_error(ctx, GL_INVALID_ENUM, "glMaterialfv(pname)"); 599 return; 600 } 601 if (updateMats & MAT_BIT_FRONT_INDEXES) 602 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_INDEXES, 3, params); 603 if (updateMats & MAT_BIT_BACK_INDEXES) 604 MAT_ATTR(VBO_ATTRIB_MAT_BACK_INDEXES, 3, params); 605 break; 606 case GL_AMBIENT_AND_DIFFUSE: 607 if (updateMats & MAT_BIT_FRONT_AMBIENT) 608 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT, 4, params); 609 if (updateMats & MAT_BIT_FRONT_DIFFUSE) 610 MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE, 4, params); 611 if (updateMats & MAT_BIT_BACK_AMBIENT) 612 MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT, 4, params); 613 if (updateMats & MAT_BIT_BACK_DIFFUSE) 614 MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE, 4, params); 615 break; 616 default: 617 _mesa_error(ctx, GL_INVALID_ENUM, "glMaterialfv(pname)"); 618 return; 619 } 620 } 621 622 623 /** 624 * Flush (draw) vertices. 625 * \param unmap - leave VBO unmapped after flushing? 626 */ 627 static void 628 vbo_exec_FlushVertices_internal(struct vbo_exec_context *exec, GLboolean unmap) 629 { 630 if (exec->vtx.vert_count || unmap) { 631 vbo_exec_vtx_flush( exec, unmap ); 632 } 633 634 if (exec->vtx.vertex_size) { 635 vbo_exec_copy_to_current( exec ); 636 vbo_reset_all_attr(exec); 637 } 638 } 639 640 641 static void GLAPIENTRY 642 vbo_exec_EvalCoord1f(GLfloat u) 643 { 644 GET_CURRENT_CONTEXT( ctx ); 645 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; 646 647 { 648 GLint i; 649 if (exec->eval.recalculate_maps) 650 vbo_exec_eval_update( exec ); 651 652 for (i = 0; i <= VBO_ATTRIB_TEX7; i++) { 653 if (exec->eval.map1[i].map) 654 if (exec->vtx.active_sz[i] != exec->eval.map1[i].sz) 655 vbo_exec_fixup_vertex( ctx, i, exec->eval.map1[i].sz, GL_FLOAT ); 656 } 657 } 658 659 660 memcpy( exec->vtx.copied.buffer, exec->vtx.vertex, 661 exec->vtx.vertex_size * sizeof(GLfloat)); 662 663 vbo_exec_do_EvalCoord1f( exec, u ); 664 665 memcpy( exec->vtx.vertex, exec->vtx.copied.buffer, 666 exec->vtx.vertex_size * sizeof(GLfloat)); 667 } 668 669 670 static void GLAPIENTRY 671 vbo_exec_EvalCoord2f(GLfloat u, GLfloat v) 672 { 673 GET_CURRENT_CONTEXT( ctx ); 674 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; 675 676 { 677 GLint i; 678 if (exec->eval.recalculate_maps) 679 vbo_exec_eval_update( exec ); 680 681 for (i = 0; i <= VBO_ATTRIB_TEX7; i++) { 682 if (exec->eval.map2[i].map) 683 if (exec->vtx.active_sz[i] != exec->eval.map2[i].sz) 684 vbo_exec_fixup_vertex( ctx, i, exec->eval.map2[i].sz, GL_FLOAT ); 685 } 686 687 if (ctx->Eval.AutoNormal) 688 if (exec->vtx.active_sz[VBO_ATTRIB_NORMAL] != 3) 689 vbo_exec_fixup_vertex( ctx, VBO_ATTRIB_NORMAL, 3, GL_FLOAT ); 690 } 691 692 memcpy( exec->vtx.copied.buffer, exec->vtx.vertex, 693 exec->vtx.vertex_size * sizeof(GLfloat)); 694 695 vbo_exec_do_EvalCoord2f( exec, u, v ); 696 697 memcpy( exec->vtx.vertex, exec->vtx.copied.buffer, 698 exec->vtx.vertex_size * sizeof(GLfloat)); 699 } 700 701 702 static void GLAPIENTRY 703 vbo_exec_EvalCoord1fv(const GLfloat *u) 704 { 705 vbo_exec_EvalCoord1f( u[0] ); 706 } 707 708 709 static void GLAPIENTRY 710 vbo_exec_EvalCoord2fv(const GLfloat *u) 711 { 712 vbo_exec_EvalCoord2f( u[0], u[1] ); 713 } 714 715 716 static void GLAPIENTRY 717 vbo_exec_EvalPoint1(GLint i) 718 { 719 GET_CURRENT_CONTEXT( ctx ); 720 GLfloat du = ((ctx->Eval.MapGrid1u2 - ctx->Eval.MapGrid1u1) / 721 (GLfloat) ctx->Eval.MapGrid1un); 722 GLfloat u = i * du + ctx->Eval.MapGrid1u1; 723 724 vbo_exec_EvalCoord1f( u ); 725 } 726 727 728 static void GLAPIENTRY 729 vbo_exec_EvalPoint2(GLint i, GLint j) 730 { 731 GET_CURRENT_CONTEXT( ctx ); 732 GLfloat du = ((ctx->Eval.MapGrid2u2 - ctx->Eval.MapGrid2u1) / 733 (GLfloat) ctx->Eval.MapGrid2un); 734 GLfloat dv = ((ctx->Eval.MapGrid2v2 - ctx->Eval.MapGrid2v1) / 735 (GLfloat) ctx->Eval.MapGrid2vn); 736 GLfloat u = i * du + ctx->Eval.MapGrid2u1; 737 GLfloat v = j * dv + ctx->Eval.MapGrid2v1; 738 739 vbo_exec_EvalCoord2f( u, v ); 740 } 741 742 743 /** 744 * Called via glBegin. 745 */ 746 static void GLAPIENTRY 747 vbo_exec_Begin(GLenum mode) 748 { 749 GET_CURRENT_CONTEXT( ctx ); 750 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; 751 int i; 752 753 if (_mesa_inside_begin_end(ctx)) { 754 _mesa_error(ctx, GL_INVALID_OPERATION, "glBegin"); 755 return; 756 } 757 758 if (!_mesa_valid_prim_mode(ctx, mode, "glBegin")) { 759 return; 760 } 761 762 vbo_draw_method(vbo_context(ctx), DRAW_BEGIN_END); 763 764 if (ctx->NewState) { 765 _mesa_update_state( ctx ); 766 767 CALL_Begin(ctx->Exec, (mode)); 768 return; 769 } 770 771 if (!_mesa_valid_to_render(ctx, "glBegin")) { 772 return; 773 } 774 775 /* Heuristic: attempt to isolate attributes occurring outside 776 * begin/end pairs. 777 */ 778 if (exec->vtx.vertex_size && !exec->vtx.attrsz[0]) 779 vbo_exec_FlushVertices_internal(exec, GL_FALSE); 780 781 i = exec->vtx.prim_count++; 782 exec->vtx.prim[i].mode = mode; 783 exec->vtx.prim[i].begin = 1; 784 exec->vtx.prim[i].end = 0; 785 exec->vtx.prim[i].indexed = 0; 786 exec->vtx.prim[i].weak = 0; 787 exec->vtx.prim[i].pad = 0; 788 exec->vtx.prim[i].start = exec->vtx.vert_count; 789 exec->vtx.prim[i].count = 0; 790 exec->vtx.prim[i].num_instances = 1; 791 exec->vtx.prim[i].base_instance = 0; 792 exec->vtx.prim[i].is_indirect = 0; 793 794 ctx->Driver.CurrentExecPrimitive = mode; 795 796 ctx->Exec = ctx->BeginEnd; 797 /* We may have been called from a display list, in which case we should 798 * leave dlist.c's dispatch table in place. 799 */ 800 if (ctx->CurrentDispatch == ctx->OutsideBeginEnd) { 801 ctx->CurrentDispatch = ctx->BeginEnd; 802 _glapi_set_dispatch(ctx->CurrentDispatch); 803 } else { 804 assert(ctx->CurrentDispatch == ctx->Save); 805 } 806 } 807 808 809 /** 810 * Try to merge / concatenate the two most recent VBO primitives. 811 */ 812 static void 813 try_vbo_merge(struct vbo_exec_context *exec) 814 { 815 struct _mesa_prim *cur = &exec->vtx.prim[exec->vtx.prim_count - 1]; 816 817 assert(exec->vtx.prim_count >= 1); 818 819 vbo_try_prim_conversion(cur); 820 821 if (exec->vtx.prim_count >= 2) { 822 struct _mesa_prim *prev = &exec->vtx.prim[exec->vtx.prim_count - 2]; 823 assert(prev == cur - 1); 824 825 if (vbo_can_merge_prims(prev, cur)) { 826 assert(cur->begin); 827 assert(cur->end); 828 assert(prev->begin); 829 assert(prev->end); 830 vbo_merge_prims(prev, cur); 831 exec->vtx.prim_count--; /* drop the last primitive */ 832 } 833 } 834 } 835 836 837 /** 838 * Called via glEnd. 839 */ 840 static void GLAPIENTRY 841 vbo_exec_End(void) 842 { 843 GET_CURRENT_CONTEXT( ctx ); 844 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; 845 846 if (!_mesa_inside_begin_end(ctx)) { 847 _mesa_error(ctx, GL_INVALID_OPERATION, "glEnd"); 848 return; 849 } 850 851 ctx->Exec = ctx->OutsideBeginEnd; 852 if (ctx->CurrentDispatch == ctx->BeginEnd) { 853 ctx->CurrentDispatch = ctx->OutsideBeginEnd; 854 _glapi_set_dispatch(ctx->CurrentDispatch); 855 } 856 857 if (exec->vtx.prim_count > 0) { 858 /* close off current primitive */ 859 struct _mesa_prim *last_prim = &exec->vtx.prim[exec->vtx.prim_count - 1]; 860 861 last_prim->end = 1; 862 last_prim->count = exec->vtx.vert_count - last_prim->start; 863 864 /* Special handling for GL_LINE_LOOP */ 865 if (last_prim->mode == GL_LINE_LOOP && last_prim->begin == 0) { 866 /* We're finishing drawing a line loop. Append 0th vertex onto 867 * end of vertex buffer so we can draw it as a line strip. 868 */ 869 const fi_type *src = exec->vtx.buffer_map + 870 last_prim->start * exec->vtx.vertex_size; 871 fi_type *dst = exec->vtx.buffer_map + 872 exec->vtx.vert_count * exec->vtx.vertex_size; 873 874 /* copy 0th vertex to end of buffer */ 875 memcpy(dst, src, exec->vtx.vertex_size * sizeof(fi_type)); 876 877 last_prim->start++; /* skip vertex0 */ 878 /* note that last_prim->count stays unchanged */ 879 last_prim->mode = GL_LINE_STRIP; 880 881 /* Increment the vertex count so the next primitive doesn't 882 * overwrite the last vertex which we just added. 883 */ 884 exec->vtx.vert_count++; 885 exec->vtx.buffer_ptr += exec->vtx.vertex_size; 886 } 887 888 try_vbo_merge(exec); 889 } 890 891 ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END; 892 893 if (exec->vtx.prim_count == VBO_MAX_PRIM) 894 vbo_exec_vtx_flush( exec, GL_FALSE ); 895 896 if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) { 897 _mesa_flush(ctx); 898 } 899 } 900 901 902 /** 903 * Called via glPrimitiveRestartNV() 904 */ 905 static void GLAPIENTRY 906 vbo_exec_PrimitiveRestartNV(void) 907 { 908 GLenum curPrim; 909 GET_CURRENT_CONTEXT(ctx); 910 911 curPrim = ctx->Driver.CurrentExecPrimitive; 912 913 if (curPrim == PRIM_OUTSIDE_BEGIN_END) { 914 _mesa_error( ctx, GL_INVALID_OPERATION, "glPrimitiveRestartNV" ); 915 } 916 else { 917 vbo_exec_End(); 918 vbo_exec_Begin(curPrim); 919 } 920 } 921 922 923 static void 924 vbo_exec_vtxfmt_init(struct vbo_exec_context *exec) 925 { 926 struct gl_context *ctx = exec->ctx; 927 GLvertexformat *vfmt = &exec->vtxfmt; 928 929 vfmt->ArrayElement = _ae_ArrayElement; 930 931 vfmt->Begin = vbo_exec_Begin; 932 vfmt->End = vbo_exec_End; 933 vfmt->PrimitiveRestartNV = vbo_exec_PrimitiveRestartNV; 934 935 vfmt->CallList = _mesa_CallList; 936 vfmt->CallLists = _mesa_CallLists; 937 938 vfmt->EvalCoord1f = vbo_exec_EvalCoord1f; 939 vfmt->EvalCoord1fv = vbo_exec_EvalCoord1fv; 940 vfmt->EvalCoord2f = vbo_exec_EvalCoord2f; 941 vfmt->EvalCoord2fv = vbo_exec_EvalCoord2fv; 942 vfmt->EvalPoint1 = vbo_exec_EvalPoint1; 943 vfmt->EvalPoint2 = vbo_exec_EvalPoint2; 944 945 /* from attrib_tmp.h: 946 */ 947 vfmt->Color3f = vbo_Color3f; 948 vfmt->Color3fv = vbo_Color3fv; 949 vfmt->Color4f = vbo_Color4f; 950 vfmt->Color4fv = vbo_Color4fv; 951 vfmt->FogCoordfEXT = vbo_FogCoordfEXT; 952 vfmt->FogCoordfvEXT = vbo_FogCoordfvEXT; 953 vfmt->MultiTexCoord1fARB = vbo_MultiTexCoord1f; 954 vfmt->MultiTexCoord1fvARB = vbo_MultiTexCoord1fv; 955 vfmt->MultiTexCoord2fARB = vbo_MultiTexCoord2f; 956 vfmt->MultiTexCoord2fvARB = vbo_MultiTexCoord2fv; 957 vfmt->MultiTexCoord3fARB = vbo_MultiTexCoord3f; 958 vfmt->MultiTexCoord3fvARB = vbo_MultiTexCoord3fv; 959 vfmt->MultiTexCoord4fARB = vbo_MultiTexCoord4f; 960 vfmt->MultiTexCoord4fvARB = vbo_MultiTexCoord4fv; 961 vfmt->Normal3f = vbo_Normal3f; 962 vfmt->Normal3fv = vbo_Normal3fv; 963 vfmt->SecondaryColor3fEXT = vbo_SecondaryColor3fEXT; 964 vfmt->SecondaryColor3fvEXT = vbo_SecondaryColor3fvEXT; 965 vfmt->TexCoord1f = vbo_TexCoord1f; 966 vfmt->TexCoord1fv = vbo_TexCoord1fv; 967 vfmt->TexCoord2f = vbo_TexCoord2f; 968 vfmt->TexCoord2fv = vbo_TexCoord2fv; 969 vfmt->TexCoord3f = vbo_TexCoord3f; 970 vfmt->TexCoord3fv = vbo_TexCoord3fv; 971 vfmt->TexCoord4f = vbo_TexCoord4f; 972 vfmt->TexCoord4fv = vbo_TexCoord4fv; 973 vfmt->Vertex2f = vbo_Vertex2f; 974 vfmt->Vertex2fv = vbo_Vertex2fv; 975 vfmt->Vertex3f = vbo_Vertex3f; 976 vfmt->Vertex3fv = vbo_Vertex3fv; 977 vfmt->Vertex4f = vbo_Vertex4f; 978 vfmt->Vertex4fv = vbo_Vertex4fv; 979 980 if (ctx->API == API_OPENGLES2) { 981 vfmt->VertexAttrib1fARB = _es_VertexAttrib1f; 982 vfmt->VertexAttrib1fvARB = _es_VertexAttrib1fv; 983 vfmt->VertexAttrib2fARB = _es_VertexAttrib2f; 984 vfmt->VertexAttrib2fvARB = _es_VertexAttrib2fv; 985 vfmt->VertexAttrib3fARB = _es_VertexAttrib3f; 986 vfmt->VertexAttrib3fvARB = _es_VertexAttrib3fv; 987 vfmt->VertexAttrib4fARB = _es_VertexAttrib4f; 988 vfmt->VertexAttrib4fvARB = _es_VertexAttrib4fv; 989 } else { 990 vfmt->VertexAttrib1fARB = vbo_VertexAttrib1fARB; 991 vfmt->VertexAttrib1fvARB = vbo_VertexAttrib1fvARB; 992 vfmt->VertexAttrib2fARB = vbo_VertexAttrib2fARB; 993 vfmt->VertexAttrib2fvARB = vbo_VertexAttrib2fvARB; 994 vfmt->VertexAttrib3fARB = vbo_VertexAttrib3fARB; 995 vfmt->VertexAttrib3fvARB = vbo_VertexAttrib3fvARB; 996 vfmt->VertexAttrib4fARB = vbo_VertexAttrib4fARB; 997 vfmt->VertexAttrib4fvARB = vbo_VertexAttrib4fvARB; 998 } 999 1000 /* Note that VertexAttrib4fNV is used from dlist.c and api_arrayelt.c so 1001 * they can have a single entrypoint for updating any of the legacy 1002 * attribs. 1003 */ 1004 vfmt->VertexAttrib1fNV = vbo_VertexAttrib1fNV; 1005 vfmt->VertexAttrib1fvNV = vbo_VertexAttrib1fvNV; 1006 vfmt->VertexAttrib2fNV = vbo_VertexAttrib2fNV; 1007 vfmt->VertexAttrib2fvNV = vbo_VertexAttrib2fvNV; 1008 vfmt->VertexAttrib3fNV = vbo_VertexAttrib3fNV; 1009 vfmt->VertexAttrib3fvNV = vbo_VertexAttrib3fvNV; 1010 vfmt->VertexAttrib4fNV = vbo_VertexAttrib4fNV; 1011 vfmt->VertexAttrib4fvNV = vbo_VertexAttrib4fvNV; 1012 1013 /* integer-valued */ 1014 vfmt->VertexAttribI1i = vbo_VertexAttribI1i; 1015 vfmt->VertexAttribI2i = vbo_VertexAttribI2i; 1016 vfmt->VertexAttribI3i = vbo_VertexAttribI3i; 1017 vfmt->VertexAttribI4i = vbo_VertexAttribI4i; 1018 vfmt->VertexAttribI2iv = vbo_VertexAttribI2iv; 1019 vfmt->VertexAttribI3iv = vbo_VertexAttribI3iv; 1020 vfmt->VertexAttribI4iv = vbo_VertexAttribI4iv; 1021 1022 /* unsigned integer-valued */ 1023 vfmt->VertexAttribI1ui = vbo_VertexAttribI1ui; 1024 vfmt->VertexAttribI2ui = vbo_VertexAttribI2ui; 1025 vfmt->VertexAttribI3ui = vbo_VertexAttribI3ui; 1026 vfmt->VertexAttribI4ui = vbo_VertexAttribI4ui; 1027 vfmt->VertexAttribI2uiv = vbo_VertexAttribI2uiv; 1028 vfmt->VertexAttribI3uiv = vbo_VertexAttribI3uiv; 1029 vfmt->VertexAttribI4uiv = vbo_VertexAttribI4uiv; 1030 1031 vfmt->Materialfv = vbo_Materialfv; 1032 1033 vfmt->EdgeFlag = vbo_EdgeFlag; 1034 vfmt->Indexf = vbo_Indexf; 1035 vfmt->Indexfv = vbo_Indexfv; 1036 1037 /* ARB_vertex_type_2_10_10_10_rev */ 1038 vfmt->VertexP2ui = vbo_VertexP2ui; 1039 vfmt->VertexP2uiv = vbo_VertexP2uiv; 1040 vfmt->VertexP3ui = vbo_VertexP3ui; 1041 vfmt->VertexP3uiv = vbo_VertexP3uiv; 1042 vfmt->VertexP4ui = vbo_VertexP4ui; 1043 vfmt->VertexP4uiv = vbo_VertexP4uiv; 1044 1045 vfmt->TexCoordP1ui = vbo_TexCoordP1ui; 1046 vfmt->TexCoordP1uiv = vbo_TexCoordP1uiv; 1047 vfmt->TexCoordP2ui = vbo_TexCoordP2ui; 1048 vfmt->TexCoordP2uiv = vbo_TexCoordP2uiv; 1049 vfmt->TexCoordP3ui = vbo_TexCoordP3ui; 1050 vfmt->TexCoordP3uiv = vbo_TexCoordP3uiv; 1051 vfmt->TexCoordP4ui = vbo_TexCoordP4ui; 1052 vfmt->TexCoordP4uiv = vbo_TexCoordP4uiv; 1053 1054 vfmt->MultiTexCoordP1ui = vbo_MultiTexCoordP1ui; 1055 vfmt->MultiTexCoordP1uiv = vbo_MultiTexCoordP1uiv; 1056 vfmt->MultiTexCoordP2ui = vbo_MultiTexCoordP2ui; 1057 vfmt->MultiTexCoordP2uiv = vbo_MultiTexCoordP2uiv; 1058 vfmt->MultiTexCoordP3ui = vbo_MultiTexCoordP3ui; 1059 vfmt->MultiTexCoordP3uiv = vbo_MultiTexCoordP3uiv; 1060 vfmt->MultiTexCoordP4ui = vbo_MultiTexCoordP4ui; 1061 vfmt->MultiTexCoordP4uiv = vbo_MultiTexCoordP4uiv; 1062 1063 vfmt->NormalP3ui = vbo_NormalP3ui; 1064 vfmt->NormalP3uiv = vbo_NormalP3uiv; 1065 1066 vfmt->ColorP3ui = vbo_ColorP3ui; 1067 vfmt->ColorP3uiv = vbo_ColorP3uiv; 1068 vfmt->ColorP4ui = vbo_ColorP4ui; 1069 vfmt->ColorP4uiv = vbo_ColorP4uiv; 1070 1071 vfmt->SecondaryColorP3ui = vbo_SecondaryColorP3ui; 1072 vfmt->SecondaryColorP3uiv = vbo_SecondaryColorP3uiv; 1073 1074 vfmt->VertexAttribP1ui = vbo_VertexAttribP1ui; 1075 vfmt->VertexAttribP1uiv = vbo_VertexAttribP1uiv; 1076 vfmt->VertexAttribP2ui = vbo_VertexAttribP2ui; 1077 vfmt->VertexAttribP2uiv = vbo_VertexAttribP2uiv; 1078 vfmt->VertexAttribP3ui = vbo_VertexAttribP3ui; 1079 vfmt->VertexAttribP3uiv = vbo_VertexAttribP3uiv; 1080 vfmt->VertexAttribP4ui = vbo_VertexAttribP4ui; 1081 vfmt->VertexAttribP4uiv = vbo_VertexAttribP4uiv; 1082 1083 vfmt->VertexAttribL1d = vbo_VertexAttribL1d; 1084 vfmt->VertexAttribL2d = vbo_VertexAttribL2d; 1085 vfmt->VertexAttribL3d = vbo_VertexAttribL3d; 1086 vfmt->VertexAttribL4d = vbo_VertexAttribL4d; 1087 1088 vfmt->VertexAttribL1dv = vbo_VertexAttribL1dv; 1089 vfmt->VertexAttribL2dv = vbo_VertexAttribL2dv; 1090 vfmt->VertexAttribL3dv = vbo_VertexAttribL3dv; 1091 vfmt->VertexAttribL4dv = vbo_VertexAttribL4dv; 1092 } 1093 1094 1095 /** 1096 * Tell the VBO module to use a real OpenGL vertex buffer object to 1097 * store accumulated immediate-mode vertex data. 1098 * This replaces the malloced buffer which was created in 1099 * vb_exec_vtx_init() below. 1100 */ 1101 void 1102 vbo_use_buffer_objects(struct gl_context *ctx) 1103 { 1104 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; 1105 /* Any buffer name but 0 can be used here since this bufferobj won't 1106 * go into the bufferobj hashtable. 1107 */ 1108 GLuint bufName = IMM_BUFFER_NAME; 1109 GLenum target = GL_ARRAY_BUFFER_ARB; 1110 GLenum usage = GL_STREAM_DRAW_ARB; 1111 GLsizei size = VBO_VERT_BUFFER_SIZE; 1112 1113 /* Make sure this func is only used once */ 1114 assert(exec->vtx.bufferobj == ctx->Shared->NullBufferObj); 1115 1116 _mesa_align_free(exec->vtx.buffer_map); 1117 exec->vtx.buffer_map = NULL; 1118 exec->vtx.buffer_ptr = NULL; 1119 1120 /* Allocate a real buffer object now */ 1121 _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL); 1122 exec->vtx.bufferobj = ctx->Driver.NewBufferObject(ctx, bufName); 1123 if (!ctx->Driver.BufferData(ctx, target, size, NULL, usage, 1124 GL_MAP_WRITE_BIT | 1125 GL_DYNAMIC_STORAGE_BIT | 1126 GL_CLIENT_STORAGE_BIT, 1127 exec->vtx.bufferobj)) { 1128 _mesa_error(ctx, GL_OUT_OF_MEMORY, "VBO allocation"); 1129 } 1130 } 1131 1132 1133 /** 1134 * If this function is called, all VBO buffers will be unmapped when 1135 * we flush. 1136 * Otherwise, if a simple command like glColor3f() is called and we flush, 1137 * the current VBO may be left mapped. 1138 */ 1139 void 1140 vbo_always_unmap_buffers(struct gl_context *ctx) 1141 { 1142 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; 1143 exec->begin_vertices_flags |= FLUSH_STORED_VERTICES; 1144 } 1145 1146 1147 void 1148 vbo_exec_vtx_init(struct vbo_exec_context *exec) 1149 { 1150 struct gl_context *ctx = exec->ctx; 1151 struct vbo_context *vbo = vbo_context(ctx); 1152 GLuint i; 1153 1154 /* Allocate a buffer object. Will just reuse this object 1155 * continuously, unless vbo_use_buffer_objects() is called to enable 1156 * use of real VBOs. 1157 */ 1158 _mesa_reference_buffer_object(ctx, 1159 &exec->vtx.bufferobj, 1160 ctx->Shared->NullBufferObj); 1161 1162 assert(!exec->vtx.buffer_map); 1163 exec->vtx.buffer_map = _mesa_align_malloc(VBO_VERT_BUFFER_SIZE, 64); 1164 exec->vtx.buffer_ptr = exec->vtx.buffer_map; 1165 1166 vbo_exec_vtxfmt_init( exec ); 1167 _mesa_noop_vtxfmt_init(&exec->vtxfmt_noop); 1168 1169 exec->vtx.enabled = 0; 1170 for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) { 1171 assert(i < ARRAY_SIZE(exec->vtx.attrsz)); 1172 exec->vtx.attrsz[i] = 0; 1173 assert(i < ARRAY_SIZE(exec->vtx.attrtype)); 1174 exec->vtx.attrtype[i] = GL_FLOAT; 1175 assert(i < ARRAY_SIZE(exec->vtx.active_sz)); 1176 exec->vtx.active_sz[i] = 0; 1177 } 1178 for (i = 0 ; i < VERT_ATTRIB_MAX; i++) { 1179 assert(i < ARRAY_SIZE(exec->vtx.inputs)); 1180 assert(i < ARRAY_SIZE(exec->vtx.arrays)); 1181 exec->vtx.inputs[i] = &exec->vtx.arrays[i]; 1182 } 1183 1184 { 1185 struct gl_vertex_array *arrays = exec->vtx.arrays; 1186 unsigned i; 1187 1188 memcpy(arrays, &vbo->currval[VBO_ATTRIB_POS], 1189 VERT_ATTRIB_FF_MAX * sizeof(arrays[0])); 1190 for (i = 0; i < VERT_ATTRIB_FF_MAX; ++i) { 1191 struct gl_vertex_array *array; 1192 array = &arrays[VERT_ATTRIB_FF(i)]; 1193 array->BufferObj = NULL; 1194 _mesa_reference_buffer_object(ctx, &array->BufferObj, 1195 vbo->currval[VBO_ATTRIB_POS+i].BufferObj); 1196 } 1197 1198 memcpy(arrays + VERT_ATTRIB_GENERIC(0), 1199 &vbo->currval[VBO_ATTRIB_GENERIC0], 1200 VERT_ATTRIB_GENERIC_MAX * sizeof(arrays[0])); 1201 1202 for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; ++i) { 1203 struct gl_vertex_array *array; 1204 array = &arrays[VERT_ATTRIB_GENERIC(i)]; 1205 array->BufferObj = NULL; 1206 _mesa_reference_buffer_object(ctx, &array->BufferObj, 1207 vbo->currval[VBO_ATTRIB_GENERIC0+i].BufferObj); 1208 } 1209 } 1210 1211 exec->vtx.vertex_size = 0; 1212 1213 exec->begin_vertices_flags = FLUSH_UPDATE_CURRENT; 1214 } 1215 1216 1217 void 1218 vbo_exec_vtx_destroy(struct vbo_exec_context *exec) 1219 { 1220 /* using a real VBO for vertex data */ 1221 struct gl_context *ctx = exec->ctx; 1222 unsigned i; 1223 1224 /* True VBOs should already be unmapped 1225 */ 1226 if (exec->vtx.buffer_map) { 1227 assert(exec->vtx.bufferobj->Name == 0 || 1228 exec->vtx.bufferobj->Name == IMM_BUFFER_NAME); 1229 if (exec->vtx.bufferobj->Name == 0) { 1230 _mesa_align_free(exec->vtx.buffer_map); 1231 exec->vtx.buffer_map = NULL; 1232 exec->vtx.buffer_ptr = NULL; 1233 } 1234 } 1235 1236 /* Drop any outstanding reference to the vertex buffer 1237 */ 1238 for (i = 0; i < ARRAY_SIZE(exec->vtx.arrays); i++) { 1239 _mesa_reference_buffer_object(ctx, 1240 &exec->vtx.arrays[i].BufferObj, 1241 NULL); 1242 } 1243 1244 /* Free the vertex buffer. Unmap first if needed. 1245 */ 1246 if (_mesa_bufferobj_mapped(exec->vtx.bufferobj, MAP_INTERNAL)) { 1247 ctx->Driver.UnmapBuffer(ctx, exec->vtx.bufferobj, MAP_INTERNAL); 1248 } 1249 _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL); 1250 } 1251 1252 1253 /** 1254 * If inside glBegin()/glEnd(), it should assert(0). Otherwise, if 1255 * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered 1256 * vertices, if FLUSH_UPDATE_CURRENT bit is set updates 1257 * __struct gl_contextRec::Current and gl_light_attrib::Material 1258 * 1259 * Note that the default T&L engine never clears the 1260 * FLUSH_UPDATE_CURRENT bit, even after performing the update. 1261 * 1262 * \param flags bitmask of FLUSH_STORED_VERTICES, FLUSH_UPDATE_CURRENT 1263 */ 1264 void 1265 vbo_exec_FlushVertices(struct gl_context *ctx, GLuint flags) 1266 { 1267 struct vbo_exec_context *exec = &vbo_context(ctx)->exec; 1268 1269 #ifdef DEBUG 1270 /* debug check: make sure we don't get called recursively */ 1271 exec->flush_call_depth++; 1272 assert(exec->flush_call_depth == 1); 1273 #endif 1274 1275 if (_mesa_inside_begin_end(ctx)) { 1276 /* We've had glBegin but not glEnd! */ 1277 #ifdef DEBUG 1278 exec->flush_call_depth--; 1279 assert(exec->flush_call_depth == 0); 1280 #endif 1281 return; 1282 } 1283 1284 /* Flush (draw), and make sure VBO is left unmapped when done */ 1285 vbo_exec_FlushVertices_internal(exec, GL_TRUE); 1286 1287 /* Need to do this to ensure vbo_exec_begin_vertices gets called again: 1288 */ 1289 ctx->Driver.NeedFlush &= ~(FLUSH_UPDATE_CURRENT | flags); 1290 1291 #ifdef DEBUG 1292 exec->flush_call_depth--; 1293 assert(exec->flush_call_depth == 0); 1294 #endif 1295 } 1296 1297 1298 /** 1299 * Reset the vertex attribute by setting its size to zero. 1300 */ 1301 static void 1302 vbo_reset_attr(struct vbo_exec_context *exec, GLuint attr) 1303 { 1304 exec->vtx.attrsz[attr] = 0; 1305 exec->vtx.attrtype[attr] = GL_FLOAT; 1306 exec->vtx.active_sz[attr] = 0; 1307 } 1308 1309 1310 static void 1311 vbo_reset_all_attr(struct vbo_exec_context *exec) 1312 { 1313 while (exec->vtx.enabled) { 1314 const int i = u_bit_scan64(&exec->vtx.enabled); 1315 vbo_reset_attr(exec, i); 1316 } 1317 1318 exec->vtx.vertex_size = 0; 1319 } 1320 1321 1322 void GLAPIENTRY 1323 _es_Color4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a) 1324 { 1325 vbo_Color4f(r, g, b, a); 1326 } 1327 1328 1329 void GLAPIENTRY 1330 _es_Normal3f(GLfloat x, GLfloat y, GLfloat z) 1331 { 1332 vbo_Normal3f(x, y, z); 1333 } 1334 1335 1336 void GLAPIENTRY 1337 _es_MultiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q) 1338 { 1339 vbo_MultiTexCoord4f(target, s, t, r, q); 1340 } 1341 1342 1343 void GLAPIENTRY 1344 _es_Materialfv(GLenum face, GLenum pname, const GLfloat *params) 1345 { 1346 vbo_Materialfv(face, pname, params); 1347 } 1348 1349 1350 void GLAPIENTRY 1351 _es_Materialf(GLenum face, GLenum pname, GLfloat param) 1352 { 1353 GLfloat p[4]; 1354 p[0] = param; 1355 p[1] = p[2] = p[3] = 0.0F; 1356 vbo_Materialfv(face, pname, p); 1357 } 1358 1359 1360 /** 1361 * A special version of glVertexAttrib4f that does not treat index 0 as 1362 * VBO_ATTRIB_POS. 1363 */ 1364 static void 1365 VertexAttrib4f_nopos(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) 1366 { 1367 GET_CURRENT_CONTEXT(ctx); 1368 if (index < MAX_VERTEX_GENERIC_ATTRIBS) 1369 ATTRF(VBO_ATTRIB_GENERIC0 + index, 4, x, y, z, w); 1370 else 1371 ERROR(GL_INVALID_VALUE); 1372 } 1373 1374 void GLAPIENTRY 1375 _es_VertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) 1376 { 1377 VertexAttrib4f_nopos(index, x, y, z, w); 1378 } 1379 1380 1381 void GLAPIENTRY 1382 _es_VertexAttrib1f(GLuint indx, GLfloat x) 1383 { 1384 VertexAttrib4f_nopos(indx, x, 0.0f, 0.0f, 1.0f); 1385 } 1386 1387 1388 void GLAPIENTRY 1389 _es_VertexAttrib1fv(GLuint indx, const GLfloat* values) 1390 { 1391 VertexAttrib4f_nopos(indx, values[0], 0.0f, 0.0f, 1.0f); 1392 } 1393 1394 1395 void GLAPIENTRY 1396 _es_VertexAttrib2f(GLuint indx, GLfloat x, GLfloat y) 1397 { 1398 VertexAttrib4f_nopos(indx, x, y, 0.0f, 1.0f); 1399 } 1400 1401 1402 void GLAPIENTRY 1403 _es_VertexAttrib2fv(GLuint indx, const GLfloat* values) 1404 { 1405 VertexAttrib4f_nopos(indx, values[0], values[1], 0.0f, 1.0f); 1406 } 1407 1408 1409 void GLAPIENTRY 1410 _es_VertexAttrib3f(GLuint indx, GLfloat x, GLfloat y, GLfloat z) 1411 { 1412 VertexAttrib4f_nopos(indx, x, y, z, 1.0f); 1413 } 1414 1415 1416 void GLAPIENTRY 1417 _es_VertexAttrib3fv(GLuint indx, const GLfloat* values) 1418 { 1419 VertexAttrib4f_nopos(indx, values[0], values[1], values[2], 1.0f); 1420 } 1421 1422 1423 void GLAPIENTRY 1424 _es_VertexAttrib4fv(GLuint indx, const GLfloat* values) 1425 { 1426 VertexAttrib4f_nopos(indx, values[0], values[1], values[2], values[3]); 1427 } 1428
